Troubleshooting cooling problems................................................................................................................................... 167
Troubleshooting cooling fans...........................................................................................................................................168
Troubleshooting system memory.................................................................................................................................... 168
Troubleshooting an internal USB key...............................................................................................................................169
Troubleshooting an SD card............................................................................................................................................ 170
Troubleshooting an optical drive......................................................................................................................................170
Troubleshooting a tape backup unit................................................................................................................................. 171
Troubleshooting a hard drive............................................................................................................................................171
Troubleshooting a storage controller................................................................................................................................172
Troubleshooting expansion cards.....................................................................................................................................173
Troubleshooting processors.............................................................................................................................................174
System messages............................................................................................................................................................174
Warning messages.................................................................................................................................................... 174
Diagnostic messages.................................................................................................................................................174
Alert messages..........................................................................................................................................................174
10 Getting help............................................................................................................... 175
Contacting Dell............................................................................................................................................................... 175
Documentation feedback................................................................................................................................................175
Accessing system information by using QRL...................................................................................................................175
Quick Resource Locator for R830............................................................................................................................. 176
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